Exclusive | Actor Kel Mitchell celebrates ‘Good Burger’ legacy — with his own festival devoted to primo patties: ‘They’re more perfect than a sandwich’

Order up!

Even though Kel Mitchell is an actor, his résumé is slathered in ketchup and mustard.

“When people hear my name, they automatically always think of burgers,” Mitchell admitted to The Post.

The “Good Burger” star’s fame — as a teenage actor on Nickelodeon’s “All That” spinoff sitcom “Kenan and Kel” and two subsequent films — simmered on the success of his goofy, patty-loving character Ed , who works at fictional fast-food chain Good Burger, alongside “Saturday Night Live” cast member Kenan Thompson. 12

Now, Mitchell, who turned 47 on Monday, is capitalizing on that persona by hosting a sirloin celebration all his own.

Kel’s Burger Fest , which kicks off Saturday, Aug. 30, is an all-ages burger bonanza to showcase “the best burgers in Brooklyn” (and one or two beyon